Attachify Pro

Visual limits is a Blender add-on that shows rigid body constraint limits in the viewport. Built by xbodya13, it works with Blender 4.3 and newer and installs by drag and drop.

BFDS fire simulations is a Blender add-on for creating and managing NIST Fire Dynamics Simulator (FDS) models. It lets you build and edit FDS entities with Blender's 3D tools rather than entering geometry by hand.

iCars is a Blender add-on from iCity for realistic traffic simulations, car rigging and crash physics. It offers fast setup, modular rigs, and works with Cycles and Eevee.

The Interactive Physics Editor is a Blender addon for arranging 3D models that represent real-world objects, letting objects shift out of the way as you transform others to prevent collisions and intersections.

Ossim - Simulation Baking Tool is a Blender addon that generates an armature and skinned geometry from a physics simulation. The result works in game engines and realtime applications such as Unreal Engine, Godot and Unity.

FLIP Fluids is a liquid simulation addon for Blender that lets you set up, run, and render high-quality liquid effects. Its custom FLIP-based engine has been in development since 2016 with tight Blender integration.

Simply Cloth Studio 2 is a cloth creation and simulation add-on for Blender, rebuilt for Blender 5.0 with a modern interface, an adaptive wrinkle recognition system, and performance improvements, alongside tools for pinning, sewing, and cloth presets.

RBDLab is a VFX and simulation addon for Blender, developed by BeFX Studios for rigid body and destruction work. It ships with documentation and free updates, and holds a 5-star rating from 70 reviews.

Physical Open Waters - Ocean is a Blender add-on from Physical Addons for infinite ocean simulations, offering advanced LOD stability and dynamic wave interactions. It renders in both Cycles and Eevee.

Jiggle Physics adds stretchy jiggle physics to Blender rigs. A fork of the Wiggle 2 add-on by shteeve3d, it uses a verlet solver with simple 0-1 parameters to animate anything from soupy ropes to immovable rods.

X-Muscle System is a physics-based tissue simulator add-on for Blender, built for creating muscular systems, tissue and organic objects and running physical simulations that visualize skin surface deformations based on volume preservation of muscles, fat and bones.